Material mixture and method for soil processing, in particular treatment, consolidation and / or stabilization of soil

Abstract

Material mixture comprising a starting soil having a dry weight and further comprising at least 1% by weight and / or less than 90% by weight coal and / or glass relative to the dry weight of the starting soil; and at least 2% by weight and / or less than 20% by weight bitumen emulsion relative to the dry weight of the starting soil, the use of the material mixture, and a method for soil processing.

Description

[0001] 120821P1527PC 1 / 23

[0002] Description

[0003] Mixture of materials and methods for soil cultivation, in particular treatment, consolidation and / or stabilization of soil

[0004] The present invention relates to a mixture of materials, in particular for soil stabilization, a method for soil cultivation, in particular for the treatment, consolidation and / or stabilization of soil, a system for soil cultivation and a computer program or computer program product.

[0005] The object of the present invention is to improve, in one embodiment, a mixture of materials, in particular to improve a method for soil cultivation and / or to improve or simplify soil consolidation and / or soil stabilization.

[0006] This problem is solved by a material mixture with the features of claim 1, in particular by a method with the features of the method claim. Furthermore, a system is protected, as well as a computer program or computer program product for carrying out a method described herein. The dependent claims relate to advantageous embodiments.

[0007] According to one embodiment of the present invention, a mixture of materials is provided. In one embodiment, the mixture comprises a starting material, wherein the starting material has a dry weight, which in one embodiment is particularly determinable or has been determined. In one embodiment, the mixture further comprises at least 1 wt.%, or at least 5 wt.%, or at least 10 wt.%, or at least 20 wt.%, or at least 30 wt.%, or at least 40 wt.% coal and / or at most 60 wt.%, or at most 70 wt.%, or at most 85 wt.% coal, or at most 90 wt.% coal, or at most 98 wt.%, or at most 99 wt.%, particularly with respect to the dry weight of the starting material. Alternatively, the mixture further comprises at least 1 wt.%, or at least 5 wt.%, or at least 10 wt.%, or at least 20 wt.%, 120821P1527PC 2 / 23 or at least 30 wt.%, or at least 40 wt.% glass and / or at most 60, or at most 70 wt.%.-%, or at most 85 wt.%, or at most 90 wt.% glass, particularly with respect to the dry weight of the original soil. In one embodiment, the mixture comprises at least 1 wt.%, or at least 5 wt.%, or at least 10 wt.%, or at least 20 wt.%, or at least 30 wt.%, or at least 40 wt.% coal and glass and / or at most 60 wt.%, or at most 70 wt.%, or at most 85 wt.%, or at most 90 wt.%, or at most 98 wt.%, or at most 99 wt.% coal and glass, particularly with respect to the dry weight of the original soil. In one embodiment, the coal comprises biochar or organic coal, in particular plant-based (produced) coal, and further, in particular, coal-based carbon.In one embodiment, the coal comprises carbon in powder form, sieved, as granules, as pellets, as pressed coal, as by-products of the plant, and / or, in particular, at least a portion of the coal in powder form, sieved, as granules, as pellets, as pressed coal, and / or as by-products of the plant. Typically, and / or in one embodiment, the coal has a carbon content of more than 50%, in particular more than 98%, and further, in particular, at least substantially, 100%. In one embodiment, the glass comprises new glass, (recycled) waste glass, and / or glass that is a residue from combustion, in particular waste incineration, and / or glass from thermal recovery. In one embodiment, the glass is processed, at least partially, in powder form, sieved, as broken glass, as granules, and / or as pellets, or the like.

[0008] Advantageously, in one embodiment, this allows the carbon contained in the material mixture to be, at least substantially, deactivated by means of the bitumen emulsion, wherein, in one embodiment, deactivation refers to the carbon's capacity to absorb water. Furthermore, advantageously, in one embodiment, this allows for the creation of a more stable and / or flexible overall surface, in particular a floor covering and / or road surface, or soil, especially when the material mixture is used for soil cultivation or soil treatment. 120821P1527PC 3 / 23

[0009] In one embodiment, the mixture comprises at least, in particular equal to or more than 2 wt.% bitumen emulsion, or more than 10 wt.%, and / or at most 20 wt.%, or at most 30 wt.%, particularly with respect to the dry weight of the original soil. In one embodiment, the bitumen emulsion comprises at least, in particular equal to or more than 30 wt.%, or more than 40 wt.%, or more than 45 wt.% bitumen, in particular according to DIN EN 12591 and / or DIN EN 13924, and further in particular according to DIN EN 13924-1 and / or DIN EN 13924-2. In one version, the bitumen additionally or alternatively comprises polymer-modified bitumen (PmB), in particular according to DIN EN 14023. In another version, the bitumen additionally or alternatively comprises oxidized bitumen, in particular according to DIN EN 13304. In another version, the bitumen additionally or alternatively comprises high-vacuum and / or hard bitumen, in particular according to DIN EN 13305.In one embodiment, the bitumen emulsion comprises bitumen of grade 160 / 220, 70 / 100, 50 / 70, 30 / 45 and / or 20 / 30, in particular RuK (EP RuK) according to DIN EN 1427. In another embodiment, the bitumen emulsion comprises an anionic bitumen emulsion or a cationic bitumen emulsion, in particular according to DIN EN 13808. In another embodiment, the bitumen emulsion comprises a non-ionic bitumen emulsion or is itself a non-ionic bitumen emulsion. In another embodiment, the bitumen emulsion comprises a polymer, in particular latex, furthermore particularly in liquid form; and / or two or more polymers. In one embodiment, the bitumen emulsion comprises a polymer, in particular latex or the like, with a weight equal to or greater than 1 wt.%, or greater than 2 wt.%, or greater than 3 wt.%, or greater than 6 wt.% and / or less than 90 wt.%, or less than 70 wt.%, or less than 50 wt.%, or less than 40 wt.%, or less than 20 wt.%, or less than 10 wt.%.-%, on; and / or latex in liquid form is added to the bitumen emulsion, in particular the bitumen emulsion may contain equal to or more than 1 wt.%, or more than 2 wt.%, or more than 3 wt.%, or more than 6 wt.% latex and / or less than 90 wt.%, or less than 70 wt.%, or less than 50 wt.%, or less than 40 wt.%, or less than 20 wt.%, or less than 10 wt.%. 120821P1527PC 4 / 23.

[0010] Advantageously, this makes it possible, in one embodiment, to achieve a Marshall stability of, for example, more than 20.0 kN, particularly with a material mixture that contains (at least) one polymer, especially with a (high) yield strength of, for example, more than 8 mm, and furthermore, especially at a test temperature of, for example, 60°C.

[0011] In one embodiment, particularly an alternative one, the mixture comprises a base soil with a (determined) dry weight. In another embodiment, the mixture further comprises a bitumen emulsion, particularly as described herein, of equal to or greater than 2 wt.%, or greater than 5 wt.%, or greater than 10 wt.%, or greater than 15 wt.% and / or less than 20 wt.%, or less than 25 wt.%, or less than 30 wt.% based on the dry weight of the base soil. In another embodiment, the mixture comprises coal of equal to or greater than 30 wt.%, or greater than 40 wt.%, or greater than 50 wt.%, or greater than 55 wt.% and / or less than 90 wt.%, or less than 80 wt.%, or less than 70 wt.%, or less than 65 wt.%, based on the weight of the bitumen emulsion. In one embodiment, the mixture of substances comprises, in particular additionally, at least 2 wt.% water, or at least 5 wt.%, and / or at most 15 wt.%, or at most 10 wt.%.-% water, especially in relation to the dry weight of the original soil.

[0012] In one embodiment, when the soil is worked in situ, the soil is worked "as it is," which, in other embodiments, is referred to herein as "source soil." In other embodiments, the term "source soil" refers to, or encompasses, the mineral components present in this soil, in particular rock and / or sand and other fillers, especially according to EN 13043, DIN EN 12620 and / or DIN EN 16907-4, and / or their composition. The term "source soil" refers, in other embodiments, to the initially present soil, especially its local composition, and / or the soil present at the beginning of the process described herein, especially its local composition, which contains mineral and organic components, in particular 120821P1527PC 5 / 23

[0013] comprising soil water and soil air, wherein this “source soil” is characterized or characterizable by its specific composition, structure and physicochemical properties, in particular how the “source soil” is present at the site of application or use of the process and / or can be characterized or characterized using known methods, wherein the advantages or technical effects described herein depend, at least substantially, on the composition of the

[0014] The original soil must not be affected or influenced. In one embodiment, the processing can encompass a depth or layer thickness of at least one and / or several centimeters and / or extend to a depth of 3 meters. In another embodiment, the processing depth depends on the type of end product to be manufactured, particularly the material mixture. In yet another embodiment, the material mixture is produced in situ or in a production facility specifically designed for this purpose, particularly in or for stockpiles and / or at mixing plants, from which the manufactured material mixture is introduced, applied, or used in the layer thickness or depth specified herein.

[0015] In one embodiment, the working depth depends on the type of end product to be produced. In particular, a footpath may require a shallower working depth than a highway (without limiting generality), e.g., 15 cm for a footpath compared to 50 cm for a highway. In another embodiment, working in the transverse direction to the longitudinal extent of the working area may have a different depth, in particular a different depth profile. In another embodiment, working may involve deep compaction, i.e., in another embodiment, working, particularly at the edge with respect to the transverse direction, that extends deeper than in a section or middle portion of the working area or the initial soil to be worked in relation to the transverse direction. In another embodiment, working, in particular deep compaction, may be carried out using a milling machine. 120821P1527PC 6 / 23

[0016] Advantageously, this allows for good / better consolidation and / or stabilization of a processed initial soil in a single application.

[0017] The term "biochar," as used herein, should preferably be understood synonymously with the term "plant charcoal." In one interpretation, biochar encompasses pyrolytic carbonization, hydrothermal carbonization, or vapothermal carbonization of plant-based feedstocks. In another interpretation, the term "biochar" refers to charcoal produced from biomass, particularly plant biomass.

[0018] Advantageously, different types and / or hardnesses of bitumen can be used in a single embodiment of the mixture described herein. Advantageously, this allows pollutants, such as heavy metals or other substances, particularly toxic ones, to be bound, at least substantially, permanently in the soil, particularly with the aid of this mixture. Advantageously, this allows the electrical conductivity of the (treated or resulting) soil to be maintained, at least substantially, and / or remain unchanged, at least substantially, in a single embodiment.Advantageously, this makes it possible, in one embodiment, to ensure that the pH value of the (resulting) soil, in particular in relation to the original soil, is at least substantially not changed by the (produced) mixture of substances, especially when using a cationic, anionic or non-ionic bitumen emulsion.

[0019] In one embodiment, the coal contains biochar or consists, at least substantially, of biochar. In one embodiment, the bitumen emulsion is cationic, anionic, or nonionic. In one embodiment, the coal contains at least 2.0%, or at least 10%, or at least 20%, or at least 30%, or at least 40% and / or at most 98% carbon. 120821P1527PC 7 / 23

[0020] Advantageously, in one embodiment, this allows the mixture to be CO2-negative, so that, in another embodiment, CO2 is reduced by the CC sink provided by the mixture, particularly with regard to the manufacturing and / or incorporation process of the mixture. In another embodiment, the mixture is advantageously eligible for CO2 certification, particularly through the use of biochar.

[0021] In one embodiment, the bitumen emulsion comprises 30% or more by weight, or more than 45% by weight and / or less than 60% by weight, or less than 80% by weight of bitumen. In another embodiment, the remainder of the bitumen emulsion consists of water. In another embodiment, the bitumen emulsion is additionally or alternatively cationic, nonionic, or anionic.

[0022] Advantageously, in one embodiment, this has, at least substantially, no influence on a pH value determined in the original soil (previously), and in particular, at least substantially, no influence on a pH value of the resulting or treated soil.

[0023] In one embodiment, the fabric mixture comprises fibers, in particular synthetic fibers such as nylon, polyester, and / or natural fibers such as cotton, jute, sisal, ramie, and silk, and / or fibers including, for example, aramid, polyethylene, steel, copper, carbon, glass, silicon carbide, and / or aluminum oxide. In one embodiment, the fabric mixture comprises fibers equal to or greater than 1% by weight, or greater than 5% by weight, and / or less than 15% by weight, or less than 20% by weight, or less than 30% by weight, or less than 50% by weight, or less than 70% by weight, or less than 90% by weight.

[0024] Advantageously, this allows the material mixture to exhibit high or even higher strength in its "installed" state, in particular a Marshall stability of, for example, more than 25 kN, in one embodiment.

[0025] 1 120821P1527PC 8 / 23 especially at a flow value of e.g. more than 10 mm, further especially at e.g. 60°C test temperature.

[0026] According to one embodiment of the present invention, a method for soil cultivation, in particular for the treatment, consolidation, and / or stabilization of (initial) soil, is provided. In one embodiment, the method includes determining a soil property, in particular according to DIN EN 13286-2, and further, in particular, determining, in particular by means of laboratory tests, a reference dry density and / or a water content, in particular by means of a Proctor test, of the soil to be treated or the initial soil. In one embodiment, at least one of the grain size, moisture content, and / or bearing capacity is determined when determining the soil property; in particular, a determined soil property describes at least one of the grain size, moisture content, and / or bearing capacity, or at least one value of grain size, moisture content, and / or bearing capacity.In one embodiment, determining soil properties involves weighing a portion, particularly a predetermined portion, of a sample of soil, especially 1.0 kg or the like. In another embodiment, determining soil properties involves compacting the weighed sample of soil, particularly to produce test cubes. In another embodiment, determining soil properties involves heating, particularly a predetermined portion, in an oven. In another embodiment, determining soil properties involves (re)weighing the portion of the sample of soil dried by heating, so that, in another embodiment, the moisture content of the portion can be determined. In another embodiment, the method involves determining the composition of a mixture of substances, as described herein, particularly based on the determined soil properties.In one embodiment, determining the composition of a mixture involves producing samples with a variation, in particular within 5 wt.% or within 10 wt.% or the like, of the mixture. In another embodiment, determining the composition of a mixture is based on a determined intersection of a moisture curve and a compressive strength curve over the variation of the produced samples. In another embodiment, the method involves producing a mixture based on the determined composition of the mixture. In yet another embodiment, the method involves treating the initial soil with the produced mixture.

[0027] Advantageously, this method, in one embodiment, enables the simpler and, in particular, more efficient processing, especially treatment, compaction, and / or stabilization of a given soil. Advantageously, this method, in one embodiment, enables the achievement of a more defined result, especially compared to the prior art, particularly with regard to the strength and / or load-bearing capacity of the resulting soil. Furthermore, it is advantageously possible, in one embodiment, to determine a more optimal mixture of materials for the respective given soil, particularly such that more optimal compaction and / or stabilization is achieved.

[0028] In one embodiment, the process involves using the produced mixture of materials, in particular for the treatment of the soil, especially the original soil; in a further development, it involves using the produced mixture of materials as a floor covering and / or road surface.

[0029] Advantageously, this allows, in one embodiment, the removal of heavy metals, such as in particular arsenic, lead, cadmium, chromium, copper, nickel, mercury, thallium, zinc, mineral oil hydrocarbons (C10-C22), mineral oil hydrocarbons (C10-C40) and / or benzo(a)pyrene, or the like; and / or environmentally harmful substances, such as in particular polycyclic aromatic hydrocarbons (PAHs) according to the Environmental Protection Agency (EPA) list, further in particular naphthalene, acenaphtylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, 120821P1527PC 10 / 23

[0030] Benzo(a)pyrene, indene (1,2,3-cd-)pyrene, dibenz(a,h)anthracene, benzo(g,h,i)perylene, polycyclic aromatic hydrocarbons and / or PCBs (congeners according to DIN 51527), such as trichlorobiphenyl, tetrachlorobiphenyl, or the like, can be bound or become bound in the (resulting) soil, especially when the mixture is used, and are, at least substantially, not leachable. In one embodiment, the mixture is bound by the evaporation of water contained in the treated soil.

[0031] In one embodiment, the in-situ production process involves sprinkling the coal component of the mixture onto the soil to be treated, particularly the original soil. In another embodiment, the in-situ production process involves mixing or blending the bitumen emulsion component of the mixture, particularly the bitumen component and the water component of the bitumen emulsion, with the sprinkling of the coal component and the soil to be treated or the original soil.

[0032] Advantageously, in one embodiment, this makes it possible to ensure that the electrical conductivity of the treated soil or the resulting soil remains essentially the same with the help of the mixture of materials, and in particular does not lead to a change in the electrical conductivity of the existing soil.

[0033] In one embodiment, the mixture described herein is or can be produced in situ. Alternatively or additionally, the mixture described herein can be produced in a production facility, particularly a dedicated one, and in particular stored there. In one embodiment, the mixture produced in a production facility can be added to a starting substrate or used as the resulting substrate. In one embodiment, fillers can be added to the mixture in a production facility, in particular fillers or fillers according to EN 13043, DIN EN 12620 and / or DIN EN 16907-4, in particular with at least 1 wt.%, or at least 10 wt.%, or at least 20 wt.% and / or at most 50 wt.%, or at most 40 wt.%.

[0034] Advantageously, this makes it possible, in one embodiment, for the mixture of substances described herein, in particular the process described herein, to be used or to be used or to be used in water protection areas, in particular of most or, at least essentially, all classes, and especially also in water catchment areas.

[0035] In one embodiment, the manufacturing process, particularly in a dedicated production facility, involves storing the manufactured material mixture.

[0036] Advantageously, in one embodiment, the mixture of materials and / or the, in particular, the finished soil mixture can be stored, at least substantially, before installation; in particular, the resulting mixture of materials can be stored for a comparatively long period, in particular one, two or more years, and in particular can be produced one, two or more years before installation.

[0037] In one embodiment, the production of the mixture includes, in particular, the additional introduction of water into the mixture, especially to modify the Proctor properties or the flow behavior of the mixture. In another embodiment, the mixture has a Proctor density that allows it to be filled into boreholes, or is filled into boreholes or the like.

[0038] Advantageously, this allows, in one version, the material mixture to be used for filling boreholes.

[0039] In one embodiment, the use of the manufactured material mixture involves compaction and / or leveling, in particular smoothing and / or profiling, of the manufactured material mixture. In one embodiment, a roller and / or a compaction device is used for this purpose, which is particularly suitable for a 120821P1527PC 12 / 23

[0040] It is equipped for compaction and / or leveling, in particular for leveling and / or profiling, and furthermore, in particular, for the production of a floor covering and / or a road surface, in one version.

[0041] In one embodiment, the product, in particular the manufactured mixture, is applied directly to asphalt, concrete, and steel surfaces, or can / is used for this purpose. In a further development, mechanical preparation of the substrate is not required and / or provided, particularly for this application. In one embodiment, an applied layer can have a thickness of at least 4 mm, or at least 10 mm, or at least 20 mm and / or at most 150 mm, or at most 120 mm, or at most 100 mm.

[0042] Advantageously, in one embodiment, this allows the substrate, in particular the respective one, to be left as is and not need to be newly constructed. In one embodiment, the substrate can be used and / or damaged. Advantageously, in one embodiment, this allows the substrate, in particular concrete and / or asphalt surfaces, to have cracks and / or spalling. In one embodiment, a crack bridging of at least 0.01 mm and / or at most 50 mm is provided, in particular by this or by the final product, or in one embodiment, the final product is used for such crack bridging.

[0043] In one embodiment, the substrate is prepared for application of the product, in particular the manufactured mixture. In one embodiment, preparing the substrate includes cleaning, in particular sweeping or the like, and / or moistening. In a further development, the preparation includes applying a hardener, in particular a powdered, granular, and / or liquid hardener.

[0044] Advantageously, this allows the applied product to harden more quickly in one version, especially compared to applications without hardening. 120821P1527PC 13 / 23

[0045] The term “soil stabilization,” as used herein, generally refers to techniques aimed at modifying the physical and / or chemical properties of soils to increase their bearing capacity and stability. This can be achieved through various methods, including, in particular, the addition of binders that are (or can be) mixed into the soil to improve the bonding between soil particles, such as by means of a mixture of materials described herein; mechanical stabilization, such as compaction or mixing, can increase stability; and / or the use of geosynthetics.

[0046] The term "soil stabilization," as used herein, generally refers to processes aimed at increasing the density and strength of the soil. This is usually achieved through physical methods, such as compaction; injection; and / or thermal and / or chemical processes, which are (or may be) used to modify the structure of the soil, particularly through the use of the mixture of materials described herein.

[0047] Both “soil stabilization” and “soil hardening” are commonly used for preparing building ground and / or improving the load-bearing capacity of soils, especially for the production of road surfaces, and in particular roads.

[0048] Typically or in one embodiment, a method which in particular includes a method for soil stabilization and / or a method for soil consolidation includes at least one of:

[0049] - Soil investigation, in particular using a geotechnical investigation of the soil, further in particular to determine / ascertain properties of the soil, such as in particular grain size, moisture content and / or bearing capacity;

[0050] - Selection of a method, in particular based on the results of the soil investigation, the appropriate stabilization method 120821P1527PC 14 / 23 can be selected. This can, in one implementation, include mechanical, chemical and / or thermal processes;

[0051] - Preparation of the soil, in particular by preparing the soil, especially by loosening the soil and / or, at least substantially, by removing unwanted materials, such as organic matter or the like;

[0052] - Addition of binders, in particular by, and especially uniformly, mixing or blending of, and especially selected, binders into the soil to be stabilized and / or into the soil to be consolidated, in particular by adding a mixture of substances described herein and / or by using the mixture of substances described herein as treated soil. This can be carried out, in one embodiment, by various techniques, such as, in particular, mixing with special machines and / or by spraying;

[0053] - After mixing and / or compaction, especially after the addition of binder(s), in particular a mixture of materials described herein, the soil is usually mixed to ensure a homogeneous mixture.

[0054] Subsequently, in one version, the soil is compacted, particularly to increase the stability of the (resulting) soil; and / or

[0055] - Curing: Depending on the binder used, a curing time may be required during which the soil reaches its final strength; on.

[0056] In one embodiment, the process, particularly during the installation of the product, especially the manufactured material mixture, involves the compaction of an unbound layer onto which the product is to be applied, particularly at a depth of more than 0.0 mm and / or less than 70 mm. In one embodiment, the soil preparation involves this compaction of the unbound layer.

[0057] Advantageously, in one embodiment, this makes it possible to change or convert an unbound layer, especially before the product is incorporated, in particular 120821P1527PC 15 / 23 of the manufactured material mixture, into a bound layer.

[0058] According to one embodiment of the present invention, a soil cultivation system is provided which is configured and / or comprises a method described herein:

[0059] Means for determining soil properties; means for determining the composition of a mixture of substances or the composition of a mixture of substances as described herein; and / or means for producing a mixture of substances based on the determined composition of the mixture of substances.

[0060] Advantageously, in one embodiment, this allows the carbon contained in the mixture to be deactivated, in particular such that the carbon, at least substantially, does not absorb or release water. Advantageously, in one embodiment, this allows additional water, especially from rain or other sources, to have no effect on the achievable or subsequent strength. In conventional mixtures, water typically has a significant impact on the final strength compared to the present invention.

[0061] A means according to the present invention can be configured as hardware and / or software, in particular comprising at least one processing unit, preferably a microprocessor unit (CPU), graphics card (GPU), or the like, preferably connected to a storage and / or bus system via data or signals, and / or comprising one or more programs or program modules. The processing unit can be configured to execute instructions implemented as a program stored in a storage system, to acquire input signals from a data bus, and / or to output signals to a data bus. A storage system can comprise one or more, in particular different, 120821P1527PC 16 / 23

[0062] The program may include storage media, in particular optical, magnetic, solid-state and / or other non-volatile media. The program may be designed in such a way that it embodies or is capable of executing the procedures described herein, enabling the processing unit to perform the steps of such procedures and thus, in particular, to operate or monitor the system.

[0063] A computer program product may, in one embodiment, include a storage medium, in particular a computer-readable and / or non-volatile medium, for storing a program or instructions, or with a program or instructions stored thereon. In one embodiment, the execution of this program or these instructions by a system or a controller, in particular a computer or an arrangement of several computers, causes the system or the controller, in particular the computer(s), to execute a procedure described herein or one or more of its steps, or the program or instructions are configured for this purpose.

[0064] In one embodiment, one or more, in particular all, steps of the procedure are fully or partially computer-implemented, or one or more, in particular all, steps of the procedure are fully or partially automated, in particular by the system or its means.

[0065] The features and / or advantages described in relation to one embodiment of the invention also apply accordingly to further embodiments of the invention and / or combinations of embodiments described herein, in particular unless this is expressly excluded or is technically impossible.

[0066] Further advantages and features will become apparent from the dependent claims and the exemplary embodiments. These are shown, in part schematically:

[0067] Fig. 1: a method according to an embodiment of the present invention; and 120821P1527PC 17 / 23

[0068] Fig. 2: a method according to an embodiment of the present invention as a block diagram.

[0069] Fig. 1 shows a method according to one embodiment. Fig. 1A depicts a soil sample which, in one embodiment, has a predetermined volume to be processed. In one embodiment, the predetermined volume depends on a load-bearing capacity to be achieved. In one embodiment, a predetermined portion of the initial soil is selected, particularly to determine the soil properties of that portion. This is represented in Fig. 1A by the box schematically depicted in 2D, which in Fig. 1A encompasses a portion of the initial soil (extended by the line shown). Based on data obtained regarding the properties of the (initial) soil, particularly using a measuring device designed for this purpose, the data, in one embodiment, describe the properties of the soil sample or the portion of the (initial) soil that was used, or in one embodiment, selected, for determining the soil properties.Fig. 1B schematically depicts an embodiment of an in-situ production of a material mixture described herein. In particular, after determining the soil properties, the determined proportion of coal is sprinkled onto the initial soil to be treated, schematically represented in Fig. 1B by the black layer on the soil surface. Fig. 1C shows a production method for the material mixture which, in one embodiment, is produced by mixing and / or incorporating the coal layer into the (initial) soil with the addition of the determined proportion of bitumen emulsion, and, in another embodiment, with the additional addition of water. In one embodiment, the produced material mixture "hardens," in particular through the evaporation of the (additional) water from the mixture. The inventors have found that, surprisingly, a CO2-negative soil stabilization or...Soil stabilization can be achieved which, in one version, results in a floor covering or a treated soil which, at least substantially, does not absorb water and / or does not release water, in particular does not alter the chemical composition of an existing soil, at least substantially, in particular a pH value of the 120821P1527PC 18 / 23.

[0070] existing soil; and / or does not change the electrical conductivity of the existing soil, at least in its essentials, or leaves it unchanged, at least in its essentials.

[0071] Fig. 2 schematically shows a block diagram of an embodiment of the process described herein. S10 represents the determination of a soil property, S20 the determination of a mixture composition or the composition of a mixture described herein. S30 represents the production of the determined mixture. The process or its steps can be repeated in an embodiment, in particular as often as desired, until, in particular, a predetermined initial soil is transformed into the soil to be produced (represented by the arrow).

[0072] In the present disclosure, "has an X" does not generally imply an exhaustive list, but is a shorthand for "has at least one X" and also includes "has two or more X" as well as "has Y in addition to X". Although exemplary embodiments were explained in the preceding description, it should be noted that a multitude of variations are possible. Furthermore, it should be noted that the exemplary embodiments are merely examples and are not intended to limit the scope of protection, applications, or structure in any way.Rather, the preceding description provides the skilled person with a guideline for implementing at least one exemplary embodiment, whereby various modifications, particularly with regard to the function and arrangement of the described components, can be made without departing from the scope of protection as defined by the claims and these equivalent combinations of features. 120821P1527PC 19 / 23.

[0073] Reference symbol list

[0074] 1 Starting floor

[0075] 2. Carbon content of the determined mixture 3. Produced mixture

[0076] S10 Determining soil properties

[0077] S20 Determining the composition of a mixture

[0078] S30 Production of the determined substance mixture

Claims

120821P1527PC 20 / 23 Patent claims 1. Mixture comprising a base soil with a dry weight and further comprising: equal to or more than 1 wt.% and / or less than 90 wt.% coal and / or glass based on the dry weight of the base soil; and equal to or more than 2 wt.% and / or less than 20 wt.% bitumen emulsion based on the dry weight of the base soil.

2. Mixture of materials according to the preceding claim, characterized in that the coal comprises or consists of biochar, and / or that the bitumen emulsion comprises 45% by weight of bitumen or more; and / or that the bitumen emulsion is cationic or anionic.

3. Compound mixture according to one of the preceding claims, characterized in that the bitumen emulsion comprises a plastic and / or glass.

4. Compound according to the preceding claim, characterized in that if the bitumen emulsion comprises the plastic, the plastic comprises latex and / or the plastic and / or the latex comprises equal to or more than 3% by weight in relation to the bitumen emulsion.

5. A mixture of materials according to one of the preceding claims, characterized in that if the mixture of materials comprises glass, the glass comprises at least one of: new glass, recycled glass, and residue glass from an incineration plant, glass from thermal recovery; and / or that the glass is in at least one of the following forms: powder, sieved, broken glass, granules and pellets.

6. Methods for soil cultivation, in particular for the treatment, consolidation and / or stabilization of soil, comprising: - Determining (S10) the soil properties of the original soil, 120821P1527PC 21 / 23 - Determining (S20) a mixture composition according to one of the preceding claims, based on the determined soil properties; - Production (S30) of a mixture of substances based on the determined composition of the mixture of substances.

7. Method according to the preceding claim, characterized in that the method further comprises a use of the produced mixture of materials, in particular for soil consolidation and / or soil stabilization.

8. Method according to one of the preceding claims 6 or 7, characterized in that the production (S30) of the produced mixture of substances takes place in situ.

9. Method according to the preceding claim, characterized in that the production (S30) in situ comprises sprinkling the coal portion of the material mixture onto the initial soil and furthermore mixing the bitumen portion and the water portion of the bitumen emulsion portion of the material mixture with the sprinkling coal and the initial soil.

10. Method according to one of the preceding claims 6 or 7, characterized in that the production (S30) of the mixture of substances takes place in a, in particular dedicated, production facility, and / or wherein the production (S30) includes a storage of the produced mixture of substances (3).

11. Method according to any one of the preceding claims 6 to 10, characterized in that the production (S30) comprises an additional introduction of water into the mixture.

12. Method according to any one of the preceding claims 7 to 11, characterized in that the use of the produced mixture comprises compacting and / or leveling, in particular smoothing and / or profiling, the produced mixture. 120821P1527PC 22 / 23 13. Soil cultivation system that is set up and / or comprises a method according to one of the preceding claims: - Means for determining (S10) soil conditions; - Means for determining (S20) the composition of a mixture of substances; and - Means for producing (S30) a mixture of substances.

14. Computer program or computer program product, wherein the computer program or computer program product, in particular stored on a computer-readable and / or non-volatile storage medium, contains instructions which, when executed by one or more computers or a system according to claim 13, cause the computer(s) or system to perform a method according to any one of claims 6 to 12.

15. Use of a mixture of materials according to any one of claims 1 to 6, which is produced in particular by a method according to any one of claims 6 to 12, as a floor covering and / or road surface.

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